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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Description
The M62463AFP is a Single Chip Dolby Pro Logic Surround Decoder.This LSI has all of required functions for Dolby Pro Logic Surround.
Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.San Francisco,CA94103-4813,USA. This device available only to licensees of Dolby Lab. Licensing and application information may be obtained from Dolby Lab.
Outline
Features
Outline 64P6N 0.8mm pitch QFP (14.0mmx14.0mmx2.8mm)
Includes all functions necessary for Dolby Pro Logic Surround -Adaptive Matrix -Input Auto-Balance -Noise Sequencer -Center Mode Control ON/OFF, WIDE/NORMAL/PHANTOM -Modified Dolby B type Noise Reduction -4 channel (Lch/Rch/Cch/Sch) / 3 channel (Lch/Rch/Cch) -Digital delay Delay time:15.4 to 51.2msec Cch/Sch Master Volume 0 to -87dB/1dB step, - 3-lines MCU control Space Surround such as Disco, Hall and Live Digital Echo for Karaoke Function Delay time 123,184msec Current control oscillation circuit for system clock
System Configuration
M62463AFP
Lch IN
Input AutoBalance Control
L
Lch OUT
Center/ operating mode control Center Master Volume Surround Master Volume
Adaptive Matrix
S'
Noise Sequencer
R C Rch OUT Cch OUT Sch OUT
Rch IN
7kHz LPF Modified S Dolby B-NR
Master Volume
Lch Rch CENTER
L-R L+R 2
SURROUND
Digital Delay
MCU Interface
MIC IN DATA SCK REQ
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Pin Configuration
BNR IN
33
DBC3
DBC2
35
48
47
46
45
44
43
42
41
40
39
38
37
36
RLC8 RLC6 LBPF2 LBPF1 RBPF2 RBPF1 LT RT LIN RIN AVcc VREF IREF NGC3 NGC2 NGC1
49 50
FULL WAVE RECTIFIER
LOG DIFFERENCE AMPLIFIERS
DUAL-TIME CONSTANT AND THRESHOLD SWITCHES
MODIFIED B-TYPE NR DECODER
DBC1
34
PSC4
PSC1
PSC5
PSC2
PSC6
PSC3
RLC3
RLC7
RLC4
RLC1
RLC2
RLC5
32 31
FBIN LPF2 OUT LPF2 IN2 LPF2 IN1 DAINT OUT DAINT IN DACONT ADCONT ADINT OUT ADINT IN LPF1 OUT LPF1 IN2 LPF1 IN1 DSEL OUT MICOUT DVss
LPF
51 BPF
COMBINING
F.B. VOL L+R L-R
30
52 53 BPF 54
NETWORKS
L C R
10Kbit SRAM
VCA
S' 29 28
D/A
27 26
SELECTOR
AUTO BALANCE
CENTER MODE CONTROL
55
56
L
RC L-R
LOGIC
VCA SERVO
57
22k
SW4
2 1
SW5
25
A/D
3 L+R 2
4
24 23
58
22k
59
VREF
AVcc
1
2
SW3 SW6
LPF CLK
22 21
1
23 1 4
2 1
3 4
IREF
2
60
61 62
SW2
MIC VOL
SW1
NOISE SEQUENCER
20 19 18
DVss
63 64
L
VOL
VOL
AGND DVdd
MCU INTERFACE DATA SCK REQ
17
R
C
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CVOLOUT
ROUT
SVOLOUT
AGND
SOUT
LOUT
CMC
VREFD
COUT
CVOLIN
MICIN
SVOLIN
DVdd
DATA
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REQ
SCK
PR
BY-PASS
1 2
SW1
1
3 4 1 2
Block Diagram
NOISE SEQUENCER
SPACE SURROUND
+
PROLOGIC MUTE BY-PASS
LOUT
L CENTER MODE CONTROL
SPACE SURROUND
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LIN
+/MUTE PROLOGIC
3 4
57
2
ROUT
INPUT BALANCE
SELECTOR
ADAPTIVE MATRIX
R C
WIDE NORMAL PHANTOM OFF
SW2
5
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RIN
S'
58
MASTER VOLUME
4
LPF A/D
D/A
LPF
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3
CVOLOUT
8
L+R
2
L-R
Digital Delay
SW3
SVOLOUT
1 2
SW4
10Kbit SRAM Logic
Modified BNR
2
1
MASTER VOLUME
7 6
3
4
MICIN
SW5 F.B.VOL
12
1
MCU Interface
SW6
2
MICVOL
MITSUBISHI SOUND PROCESSORS
Dolby Pro Logic Surround Decoder
M62463AFP
18 20
19
32
31
33
14
15
16
MICOUT
DATA
SCK REQ
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
FUNCTIONAL DESCRIPTION
FUNCTION
1 Fundamental function for Dolby Pro Logic Surround Decoder
DESCRIPTION
-Adaptive Matrix -Input Auto-Balance -Noise Sequencer -Center Mode Control ON/OFF WIDE/NORMAL/PHANTOM -Modified Dolby B type Noise Reduction -4ch(L,R,C,S), 3ch(L,R,C) Mode Switch 10K-bit RAM 15.4, 20.5, 25.6, 29.2msec (for Dolby Pro Logic Surround) 51.2msec (for Space Surround) Digital delay circuit can be used for Space Surround such as a Disco, Hall or Live, and Karaoke echo. 123,184 msec Delay Signal Feedback Volume -3 to -21 dB/3dB step, and Internal Microphone Volume 0 to -18 dB/3dB step, and 0 to -87dB/1dB step, and Bypass the decode circuit Mute the Lch and Rch output Controlled by 3-lines serial data from MCU Including the Chip Address (2 bit) Including the oscillation circuit without external parts.
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2
RAM for Digital Delay
3 Surround Delay Time
4 Circuit for Space Surround
5 Echo delay time 6 Feedback Volume 7 Microphone Volume 8 Cch/Sch Master Volume
9 Bypass Switch 10 Output Mute 11 MCU Interface
12 Current control oscillation circuit
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
ABSOLUTE MAXIMUM RATINGS
(Ta=25 C Unless otherwise noted)
Symbol Vcc
Vdd
Parameter
Supply Voltage Power Dissipation Operating Temperature Storage Temperature
Conditions
Ratings 10.5 6.5 1 -20 to +75 -40 to +125
Unit V V W C C
Pd Topr Tstg
RECOMMENDED OPERATING CONDITION
Symbol Vcc
Vdd VIL VIH Input Voltage(L) Input Voltage(H) 14,15,16pin 14,15,16pin
Parameter
Supply Voltage
Condition
Min
Limits Typ
Max
Units V V V V
8 4.5 0
Vdd-1
9 5
10 5.5 0.8
Vdd
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
ELECTRICAL CHARACTERISTICS
(Ta=25 C,Vcc=9V,Vdd=5V ,Cch volume=0dB,at C-OUT 0dBd=300mVrms,f=1kHz unless otherwise noted)
Symbol
Total Icc IDD
Parameter
Circuit current
Test conditions
No signal No signal
Limits Min Typ Max
Units
mA mA dB dB
25 13 5 4
40 25
Circuit current Auto-Balance CPR CER VoL MR HRAM THDAM SNAM Capture range Error collection
Output level accuracy relative to Cch
Adaptive Matrix
L, R, Sch output L, R, C, Sch output L, R, C, Sch output L, R, Cch output 30kHzLPF
Matrix rejection Head room Total harmonic distortion S/N ratio
-0.5 25 15 70 -15 -0.5
0 40 17 0.05 80 -12.5 0
0.5
dB dB dB % dB
0.2
Rg=0,weighted CCIR/ARM 4ch mode
Noise Sequencer Vno Output noise level Vno
Noise level accuracy relative to Cch
L, R, C, Sch output L, R, Sch output
-10 0.5
dB dB dB
Modified B Noise Reduction (Sch Volume=0dB, 0dB reference is 300mVrms/100Hz at S-Out) Gain between input and output 5.1 Vin=0dBd,f=100Hz VGNR DEC1 Vin=0dBd,f=1.0kHz -0.1 -1.6 Decode character 1 DEC2 DEC3 DEC4 THDNR HRNR SNNR Decode character 2 Decode character 3 Decode character 4 Total harmonic distortion Head room S/N ratio Vin=-15dBd,f=1.4kHz Vin=-20dBd,f=1.4kHz Vin=-40dBd,f=5.0kHz Vin=0dBd,f=1kHz 30kHzLPF THD=1%
Rg=0 ,weighted CCIR/ARM
-3.0 -4.9 -6.8 15 68
-1.5 -3.4 -5.3 0.07 17 78 -95
1.4 0 -1.9 -3.8 0.3 dB % dB dB -87 3.0 1.5 1.8 dB dB dB dB dB Vrms
Cch/Sch Master Volume ATTmax Maximum attenuator ATTmin Minimum attenuator VOLS1 VOLS2 CTVOL VnoVOL Volume step Volume step Volume cross-talk Output noise voltage
ATT=-,Vi=2Vrms ATT=0dB ATT=0 to -40dB ATT=-40 to -87dB R input/CVOL,SVOL output ATT=- -3.0 0.5 0.2 68
0 1.0 1.0 83 2.6
5.2
Line(Bypass mode) THDLN SNLN CTLN Zi Total harmonic distortion S/N ratio Line cross-talk Input impedance L,Rch output L,Rch output
L input/R output , R input/L output 30kHzLPF
0.002 95 70 11 100 80 22
0.05
% dB dB k
44
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
(Ta=25 C,Vcc=9V,Vdd=5V ,Vin=200mVrms,f=1kHz unless otherwise noted)
Symbol
Parameter
Test Conditions
Min -8.1 17.4
Limits Typ -5.1 20.5 0.5 1.2 3.0 -92 -84 -80
Max -2.1 23.6 0.9 2.2 5.6 -80 -70 -65
Units
Digital Delay
GvD Td THDD Input/output voltage gain LIN-LPF2OUT,surround L-R Td=20.5ms Delay time Td=20.5ms Total harmonic distortion 30kHzLPF Td=51.2ms Td=184ms Td=20.5ms NoD Output noise voltage Vin=0Vrms JIS-A THD=10%
Td=15.4 to 51.2ms Gv=-3dB (Dolby Pro Logic mode) Td=123, 184ms(Echo mode) Gv=-3dB
dB ms %
Td=51.2ms Td=184ms
dBV
Vomax LPFfc
Maximum output voltage LPF cut-off frequency
0.7 6.0
1.0 7.0 3.0 8.0
Vrms kHz kHz
Feedback Volume FBATTmax FBATTmin FBVOLS Maximum attenuation Minimum attenuation Volume step ATT=- ATT=-3dB -6.0 -70 -3.0 3.0 -60 0 dB dB dB
Microphone Volume MICATTmax MICATTmin MICVOLS VnoMIC Maximum attenuation Minimum attenuation Volume step Output noise voltage ATT=- ATT=- ATT=0dB -3.0 -70 0 3.0 2.0 4.0 -60 3.0 dB dB dB Vrms
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
SERIAL DATA CONTROL FORMAT
(1)Data Input Format DATA is read at the rising edge of SCK, and loaded last 16 bits at the rising edge of REQ.
DATA SCK REQ D0 D1 D2 D3 D4 D5 Mode Set Delay Time
Noise Sequencer
Pro Logic Mode D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 "H"
D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 Sch Volume
L L H L H H
Center Mode
AutoBalance
L
H
set to "L"
Cch Volume
Surround / Echo Mode
Chip Address
Test Mode (user inhibit)
(2)Control condition
Control Mode 1 2 3 Mode Set Pro Logic Mode Center Mode Contents Normal Stereo / Dolby Pro Logic / Space Surround or Echo/ Mute 4ch Pro Logic / 3ch stereo Wide / Normal / Phantom / OFF 15.4, 20.5, 25.6, 29.2, 51.2 ms (for Surround) 123,184 ms (for Echo) Input Auto-Balance ON / OFF
4 Delay Time 5 Auto-Balance
6 Noise Sequencer 7 Surround /Echo mode
8 9
Cch/Sch Volume Chip Address
ON / OFF Lch / Rch / Cch / Sch Delay input L-R/ (L+R)/2 /MICin Feedback volume , Microphone volume Delay output mixing 0 to -87dB / 1dB step and Input data effect or not
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
(3)Set Conditions Mode Setting (D0="L",D1="L") D2 L L H H D3 L H L H Condition
Normal stereo (bypass) Dolby Pro Logic Surround Space surround / Echo Output Mute
Pro Logic Mode Setting(D0="L",D1="L") D4 L H Condition 4ch Pro Logic 3ch Stereo
Center Mode Setting (D0="L",D1="L") D5 L L H H D6 L H L H Condition Wide Normal Phantom OFF D4 L H L H L H L Delay time 15.4msec 20.5msec 25.6msec 29.2msec 51.2msec 123msec 184msec
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Delay Time Setting (D0="L,D1="H") D2 L L L L H H H D3 L L H H L L H
Sampling frequency
LPF cutoff frequency
500kHz 500kHz 400kHz 333kHz 200kHz 83.3kHz 55.6kHz 3kHz 7kHz
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Auto-Balance Setting (D0="L",D1="H") D5 L H Condition Auto-Balance OFF Auto-Balance ON
Noise Sequencer (D0="H",D1="L") D2 L D3 L L H H H D4 L H L H Noise Sequencer ON Condition Noise Sequencer OFF Lch Rch Cch Sch
Surround / Echo mode (D0="H",D1="L") Surround / Echo mode switch D5 L H Delay input D6 L H
Delay input
Condition Surround Echo Delay Mixing polarity D7 L H
Mixing polarity L+Delay signal/R+Delay signal L+Delay signal/R-Delay signal
L-R (L+R )/2
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Feedback Volume D8 L L L L H H H H D9 D10 L L H H L L H H L H L H L H L H
Volume
Microphone Volume D11 D12 D13 L L L L H H H H L L H H L L H H L H L H L H L H
volume
-3dB -6dB -9dB -12dB -15dB -18dB -21dB -
0dB -3dB -6dB -9dB -12dB -15dB -18dB -
Relation between mode setting and switch condition
Mode Setting Normal stereo (bypass) Dolby Pro Logic Surround Space surround / Echo
Pro Logic Surround/Echo Mode Mode (D0=H,D1=L)
(D0=L,D1=L)
Switch Condition SW1 SW2 SW3 SW4 SW5 SW6
D4
D5
D6
X L H X X
X X L
(Surround)
X X L H X X
1 3 2 1 4
1 3 2 1 4
2 1 2 1 2 2
4 1 2 3 4 4
OFF OFF ON OFF OFF
2 2 2 1 2
Delay mixing ON
H
(Echo)
Delay mixing OFF
Mute
X
X:L or H
X
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Sch Volume Setting (D0="L",D1="L") Cch Volume Setting (D0="L",D1="H")
Volume Level
D7 L L L L L L L L L L L L L L L L H H H H H H H H H H H H H H H H
D8 L L L L L L L L H H H H H H H H L L L L L L L L H H H H H H H H
D9 L L L L H H H H L L L L H H H H L L L L H H H H L L L L H H H H
D10 L L H H L L H H L L H H L L H H L L H H L L H H L L H H L L H H
D11 L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H L H
Volume Level
D12 L L H H
D13 L H L H
0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB -14 dB -16 dB -18 dB -20 dB -22 dB -24 dB -26 dB -28 dB -30 dB -32 dB -34 dB -36 dB -40 dB -44 dB -48 dB -52 dB -56 dB -60 dB -64 dB -68 dB -72 dB -76 dB -80 dB -84 dB Chip Address D14 L Others D15 H
0 dB -1 dB -2 dB -3 dB
Data Read Enable Unable
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
(4)Data timing
t1,t2
90%
DATA
t6 t1 t4 t7 t2
10%
90%
SCK
10%
t5 t9 t3 t8
t10
90%
REQ
10%
t1
t2
Symbol
Name
Signal rise time Signal fall time SCK clock width SCK "H" pulse width SCK "L" pulse width DATA setup time DATA hold time REQ rise hold time REQ "H" pulse width SCK setup time
Min
Typ
Max 0.5 0.5
t1 t2 t3 t4 t5 t6 t7 t8 t9 t10
Units s s s s s s s s s s
2 0.8 0.8 0.8 0.8 1.6 0.8 1.6
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
Level Diagram
(1)Dolby Pro Logic Surround Mode Cch
LIN RIN
Signal level INPUT BALANCE ADAPTIVE MATRIX CENTER MODE CONTROL
VOLUME(ATT=0dB) Ladder Buffer
CVOLOUT
-3dB
0dB
-2.5dB
0dB
Vref=4.5V
Vref=2.5V
Sch
S'
LIN RIN
INPUT BALANCE
ADAPTIVE MATRIX
1
SW4
DIGITAL DELAY Modified BNR
1
SW3
VOLUME(ATT=0dB) Ladder Buffer
SVOLOUT
Signal level
-3dB
0dB
-5.1dB
-5.1dB
0dB
-2.5dB
0dB
Vref=4.5V
Vref=2.5V Vref=2.5V
Lch,Rch
LIN RIN
INPUT BALANCE ADAPTIVE MATRIX CENTER MODE CONTROL
LOUT ROUT
Signal level
0dB
Vref=4.5V
Signal level : 0dB=300mVrms(Typ.)
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
(2)Space Surround Mode Sch
LIN RIN
Signal level
L-R (L+R)/2
SW4 2 3
DIGITAL DELAY Modified BNR
SW3
VOLUME(ATT=0dB) Ladder Buffer
SVOLOUT
0dB
-5.1dB
-5.1dB
0dB
-2.5dB
0dB
Vref=4.5V
Vref=2.5V Vref=2.5V
(3)Echo Mode
SW4
MICIN
4
DIGITAL DELAY
Signal level
0dB
Vref=2.5V
MIC VOLUME (ATT=0dB) 0dB
Vref=2.5V
MICOUT
Signal level
Signal level : 0dB=300mVrms(Typ.)
Notice
Relation AVcc and DVdd at power supply Digital Vdd must be supplied less than 0.7 seconds from analog Vcc supply. AVcc (AVccANDVdd) DVdd
Internal reset signal
automatic reset cancel
0.7s(min.)
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
APPLICATION EXAMPLE
CA18 0.01 R18 4.7k
MICout
C30 1000p C32 1 30 32 31 C33 1 C29 4700p 29 27 28 C27 0.1 C26 0.1 26 C25 0.1 23 24 21 20 25 22 19 18 17
DVss REQ
C23 0.1
C21 1000p
C20 4700p
C18 C19 0.22 1
33
LPF
D/A
A/D
LPF
MODIFIED B-TYPE NR DECODER
MIC VOL
DVdd
R36 330k 36
CLK
10Kbit SRAM
35
14
C35 0.047
DATA
MCU
SCK
34
15
C34 5600p
MCU interface
16
LOGIC
DVdd +5V
C13 0.1 C12 1
SW5
1 4 2 3 L+R 2
37
SW6
AGND 1 2
C37 0.22 C38 0.22 39
DUAL-TIME CONSTANT AND THRESHOLD SWITCHES
12
C36 0.68
F.B. VOL
13
38
SW4
10
11
MICin
C39 4.7 40 C40 4.7 41 C41 0.22 42
L-R
C10 100
SW3
1 2
9 C9 0.1
VOL
S
S'
CENTER MODE
C8 10 7
Sout
43
NETWORKS
L
RC
C
C42 0.22 C43 0.1
LOG DIFFERENCE AMPLIFIERS
COMBINING
CONTROL
R
8
C6 10
SW2
SERVO
3 2 4 1
AUTO BALANCE
44
VCA
C44 0.047 45 C45 0.047 46
5
VCA
L
6
C4 10
3 2 SELECTOR
C46 0.1 47
FULL WAVE RECTIFIER L+R L-R
SW1
C
3
1
VOL
4
4
C3 10 2 C2 10 1
Cout Rout Lout
C47 0.1 48
AVcc
NOISE VREF IREF L SEQUENCER
C48 0.022
R
BPF
53 52 50 51
BPF
22k 22k
C1 10 62 63 64 C64 47 C62 R63 C63 4.7 100k 6800p
55
57
49
54
58
60
56
R52 75k C53 680p
C51 680p
C54 0.01
C52 0.01
RA53 150k R53 47k
R54 75k
59
C49 0.022
C50 0.1
RA51 150k R51 47k
C60 220
R61 100k
C55 0.01
C56 0.01
C59 C57 10 C58 10 100
61
Lin Rin
AVcc +9V
Units Resistance : Capacitance : F
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MITSUBISHI SOUND PROCESSORS
M62463AFP
Dolby Pro Logic Surround Decoder
EXTERNAL PARTS LIST
Parts No. C1 C2 C3 C4 C6 C8 C9 C10 C12 C13 C18 CA18 C19 C20 C21 C23 C25 C26 C27 C29 C30 C32 C33 C34 C35 C36 C37 C38 C39 C40 C41 C42 C43 C44 C45 C46 Values 10 10 10 10 10 10 0.1 100 10 0.1 0.22 0.01 1.0 4700 1000 0.1 0.1 0.1 0.1 4700 1000 1.0 1.0 5600 0.047 0.68 0.22 0.22 4.7 4.7 0.22 0.22 0.1 0.047 0.047 0.1 Unit F F F F F F F F F F F F F pF pF F F F F F pF F F pF F F pF pF F F F F F F F F non-polar 5% 5% 5% 5% 5% 5% 5% 5% Tol. Parts No. C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 C62 C63 C64 Values 0.1 0.022 0.022 0.1 680 0.01 680 0.01 0.01 0.01 10 10 100 220 4.7 6800 47 Unit F F F F pF F pF F F F F F F F F pF F Tol. 20% 5% 5% 20% 5% 5% 5% 5% 5% 5%
10%
10% 5%
5% 5% 10% 10% 10% 20% 20% 10% 10% 20% 5% 5% 20%
R18 R36 R51 RA51 R52 R53 RA53 R54 R61 R63
4.7 330 47 150 75 47 150 75 100 100
k k k k k k k k k k
10% 10% 5% 5% 5% 5% 5% 5% 1% 5%
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Price & Availability of M62463AFP

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